弹齿式残膜回收机脱膜装置设计与有限元分析

doi:10.3969/j.issn.1004-1524.20240465

浙江农业学报 ›› 2026, Vol. 38 ›› Issue (4): 788-797.DOI: 10.3969/j.issn.1004-1524.20240465

弹齿式残膜回收机脱膜装置设计与有限元分析

汤凯博¹^,²(), 王敏¹^,^*(), 卢勇涛¹, 营雨琨¹, 何玉泽¹, 王吉亮¹, 曹肆林¹, 唐志坤¹^,², 霍尚¹^,², 刘佩丰¹^,², 卢超¹^,²

¹ 新疆农垦科学院机械装备研究所, 新疆石河子 832000
² 石河子大学机械电气工程学院, 新疆石河子 832099

收稿日期:2024-05-26 出版日期:2026-04-25 发布日期:2026-05-08
作者简介:*王敏,E-mail:275596114@qq.com
汤凯博,研究方向为农机装备工程。E-mail:2970965568@qq.com
通讯作者: 王敏
基金资助:
“兵团英才”青年项目培养人选(王敏);新疆生产建设兵团科技成果转化引导计划项目(2023BA004);新疆生产建设兵团重点领域科技攻关计划(2022AB020);新疆农垦科学院院级创新团队建设项目(NCG202302);新疆农垦科学院院级项目(2022YJ005)

Design and finite element analysis of the film stripping device for a spring-tooth residual film recovery machine

TANG Kaibo¹^,²(), WANG Min¹^,^*(), LU Yongtao¹, YING Yukun¹, HE Yuze¹, WANG Jiliang¹, CAO Silin¹, TANG Zhikun¹^,², HUO Shang¹^,², LIU Peifeng¹^,², LU Chao¹^,²

¹ Institute of Mechanical Equipment, Xinjiang Academy of Agricultural and Reclamation Science, Shihezi 832000, Xinjiang, China
² College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832099, Xinjiang, China

Received:2024-05-26 Published:2026-04-25 Online:2026-05-08
Contact: WANG Min

摘要/Abstract

摘要：

针对弹齿式残膜回收机脱膜过程中存在的漏膜与脱膜效果差等问题,设计了一种刮板式脱膜装置,该装置由刮板、转动轴等部件组成。结合机架结构参数和脱膜装置的作业原理,通过理论分析计算得出脱膜装置的结构参数,并求出其工作转速为187 r·min^-1。采用ANSYS软件对其进行模态分析和瞬态动力学分析,通过模态分析得到1~6阶模态振型图,结果显示,脱膜板的最小固有频率为6.22 Hz,大于外部周期性载荷产生的频率,不会出现共振。瞬态动力学分析结果显示,脱膜板的总变形量为3.32×10^-2 m,最大等效应力为1.204 7×10^-1MPa。通过田间试验对脱膜装置的脱膜性能进行测试,测得其脱膜率为87.88%,缠膜率为1.73%,能满足机具脱膜作业需求。该设计结构简单、可靠性高,可降低脱膜作业过程的漏膜量,提升脱膜效果和作业效率。

关键词: 脱膜装置, 设计, 模态分析, 瞬态动力学分析

Abstract:

A scraper-type film stripping device was developed to tackle the problems of film leakage and unsatisfactory stripping performance in the operation of spring-tooth residual film recovery machines. The device is structurally composed of a scraper, a rotating shaft and other auxiliary mechanisms. By integrating the structural parameters of the machine frame and the operating principle of the film stripping device, its key structural parameters were determined via theoretical analysis and calculation, and the optimal operating rotational speed was obtained as 187 r·min^-1. Modal analysis and transient dynamic analysis were performed on the device using ANSYS software. The first order to the sixth order mode shapes were acquired through modal analysis, and the results demonstrate that the minimum natural frequency of the film stripping plate is 6.22 Hz, which exceeds the frequency generated by external periodic loads, thereby avoiding resonance failure. The transient dynamic analysis results show that the total deformation of the film stripping plate is 3.32×10^-2 m, and its maximum equivalent stress is 1.204 7×10^-1 MPa. Field experiments were implemented to test the operational performance of the film stripping device. The measured film stripping rate reached 87.88% and the film entanglement rate was 1.73%, which satisfy the operational specifications of agricultural film-stripping equipment. The proposed design features a simple structure and high reliability, which can reduce film leakage during stripping operations, and improve the stripping performance and operating efficiency of the device.

Key words: film stripping device, design, modal analysis, transient dynamic analysis

中图分类号:

S238

汤凯博, 王敏, 卢勇涛, 营雨琨, 何玉泽, 王吉亮, 曹肆林, 唐志坤, 霍尚, 刘佩丰, 卢超. 弹齿式残膜回收机脱膜装置设计与有限元分析[J]. 浙江农业学报, 2026, 38(4): 788-797.

TANG Kaibo, WANG Min, LU Yongtao, YING Yukun, HE Yuze, WANG Jiliang, CAO Silin, TANG Zhikun, HUO Shang, LIU Peifeng, LU Chao. Design and finite element analysis of the film stripping device for a spring-tooth residual film recovery machine[J]. Acta Agriculturae Zhejiangensis, 2026, 38(4): 788-797.

图/表 12

图1 弹齿式残膜回收机的结构图 1,拾膜装置;2,脱膜装置;3,弹齿;4,机架。

Fig.1 Structure diagram of the spring-tooth type residual film recycling machine 1, Film picking device; 2, Film stripping device; 3, Spring teeth; 4, Rack.

图2 脱膜装置结构图 1,主动链轮;2,转动轴;3,脱膜板;4,加强筋;5,轴承座。

Fig.2 Structure diagram of the film stripping device 1, Active sprocket; 2, Rotating shaft; 3, Film striping plate; 4, Reinforcing rib; 5, Bearing seat.

图3 脱膜作业示意图 1,弹齿;2,脱膜板;3,转动轴;4,残膜。

Fig.3 Schematic diagram of film stripping 1, Spring teeth; 2, Film striping plate; 3, Rotating shaft; 4, Residual film.

图4 弹齿轴分布图

Fig.4 Distribution diagram of spring teeth shaft

图5 脱膜装置俯视图 1,转动轴;2,脱膜板;3,加强筋;4,压板。

Fig.5 Top view of the film stripping device 1, Rotating shaft; 2, Film striping plate; 3, Reinforcing rib; 4, Pressure plate.

图6 弹齿受力分析图

Fig.6 Analysis of the force on the spring tooth

图7 脱膜辊结构图

Fig.7 Structure diagram of film stripping roller

图8 残膜受力图 1,残膜;2,脱膜辊。

Fig.8 Force diagram of residual film 1, Residual film; 2, Stripping roller.

图9 网格划分结果

Fig.9 Mesh generation results

图10 脱膜板前6阶振型图

Fig.10 The first six mode shape diagrams of the first 6 steps of the film striping plate

图11 瞬态动力学总变形(左)和应力变形(右)

Fig.11 Total deformation (left) and stress deformation (right) of transient dynamics

表1 田间试验的脱膜率与缠膜率

Table 1 Film stripping rate and film entanglement rate in field experiments Unit: %

编号 No.	脱膜率 Film stripping rate	缠膜率 Film entanglement rate
1	87.14	1.49
2	88.26	2.06
3	88.19	1.74
4	86.73	2.21
5	88.79	1.67
6	88.17	1.21
平均值Mean	87.88	1.73

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弹齿式残膜回收机脱膜装置设计与有限元分析

Design and finite element analysis of the film stripping device for a spring-tooth residual film recovery machine

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